Two groups of students were tested to compare their speed working math problems. Each group was given the same problems. One group used calculators and the other group computed without calculators.

The time it takes to run a kilometre in a sweet ParkRun depends on the person’s running speed. What is the dependent variable?

The APHOTIC ZONE differs from the photic zone in that is lacks

consumer that feeds directly on producers

two; double

an organism that eats primary consumers

process of reproduction involving a single parent that results in offspring that are genetically identical to the parent

not; without; lacking

Mr. Bayliss needs your help: He needs to find the constant variables for his experiment. He is trying to determine what shampoo leaves his beard the softest. Which variable would be controlled?

8. What will happen if all of the frogs in a population die?

portion of the marine biome that is shallow enough for sunlight to penetrate

Look at the image and choose the correct answer.